Science

Sunday, 21 December 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Anorexia Nervosa
The exact cause of anorexia is not yet known.
It is thought to consist of a combination of biological, psychological, and environmental factors.
Cosmos
Jupiter is the largest planet in the Solar System.
This gas giant is made up of 90 percent hydrogen and about 10 helium. The diameter of Jupiter is 139 ...
Fungi
Mushrooms are some of the oldest inhabitants of Earth.
Recent evidence suggests that the first fungi evolved on Earth between 715 and 810 million years ago.
Mushrooms
Once mushrooms were included in the world of plants, a group of Thallophytes.
Their limited ability to move, growth type, and morphological dissimilarity from animals have been s ...
Amber
It is a fossilized resin from ancient trees, often prized for its natural beauty and historical significance.
The oldest amber is approximately 320 million years old, making it a valuable window into prehistori ...
Aurora
Auroras take many shapes. They can appear in the form of colored rays, streaks, ribbons, curtains, crowns, arcs, and others.
Snow
Snow is formed from the finest droplets of over-cooled water in clouds.
These droplets attach themselves to nuclei of crystallization, which can be, for example, dust parti ...
Aurora
The color of the aurora depends on the height at which the atoms are colliding, and the type of atom.
If the collision is with nitrogen, we see the color purple and maroon. Collision with oxygen gives g ...
Amber
Amber possesses electrostatic properties.
It can produce static electricity when negatively charged by applying friction. Because of that, ancient Greeks named amber “elektron,” which became the basis for the word electricity.
Tears
An excessive amount of tears often called pathological crying or laughing, may be an indication of a brain disease or Alzheimer’s disease.